Hantian Zhang
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View article: Interaction Network Between Frugivorous Birds and Plants in Karst Habitats
Interaction Network Between Frugivorous Birds and Plants in Karst Habitats Open
The karst region of southwest China is characterized by fragmented habitats featuring high plant diversity but low biological resource availability. Furthermore, high‐intensity human activities degrade natural vegetation, reduce landscape …
View article: Analytic next-to-leading order Yukawa and Higgs boson self-coupling corrections to gg → HH at high energies
Analytic next-to-leading order Yukawa and Higgs boson self-coupling corrections to gg → HH at high energies Open
A bstract We consider electroweak corrections to Higgs boson pair production, taking into account the top quark Yukawa and Higgs boson self couplings. Using differential equations we compute a deep expansion of all master integrals in the …
View article: Analytic next-to-leading order Yukawa and Higgs boson self-coupling corrections to $gg\to HH$ at high energies
Analytic next-to-leading order Yukawa and Higgs boson self-coupling corrections to $gg\to HH$ at high energies Open
We consider electroweak corrections to Higgs boson pair production, taking into account the top quark Yukawa and Higgs boson self couplings. Using differential equations we compute a deep expansion of all master integrals in the high-energ…
View article: Chasing the two-Higgs-doublet model via electroweak corrections at $e^+e^-$ colliders
Chasing the two-Higgs-doublet model via electroweak corrections at $e^+e^-$ colliders Open
We present a comprehensive study of Higgs boson production associated with a neutrino pair at $e^+e^-$ colliders ($e^+ e^- \to h \, ν\barν$) at the next-to-leading-order accuracy in both the Standard Model and the two-Higgs-doublet model. …
View article: QCD and electroweak corrections for single and double Higgs boson production at the LHC
QCD and electroweak corrections for single and double Higgs boson production at the LHC Open
In these proceedings, we report recent progress of theoretical predictions for loop-induced Higgs boson production at the Large Hadron Collider (LHC). Our contributions include the next-to-leading order (NLO) QCD and electroweak correction…
View article: QCD and electroweak corrections for single and double Higgs boson production at the LHC
QCD and electroweak corrections for single and double Higgs boson production at the LHC Open
In these proceedings, we report recent progress of theoretical predictions for loop-induced Higgs boson production at the Large Hadron Collider (LHC). Our contributions include the next-to-leading order (NLO) QCD and electroweak correction…
View article: Massive two-loop four-point Feynman integrals at high energies with AsyInt
Massive two-loop four-point Feynman integrals at high energies with AsyInt Open
A bstract We present analytic techniques for parametric integrations of massive two-loop four-point Feynman integrals at high energies, and their implementation in the toolbox AsyInt. In the high-energy region, the Feynman integrals involv…
View article: Electroweak corrections to $gg \to HH$: Factorizable contributions
Electroweak corrections to $gg \to HH$: Factorizable contributions Open
In these proceedings, we consider the factorizable contributions of the two-loop electroweak corrections to Higgs boson pair production at the Large Hadron Collider. We discuss the classification of factorizable diagrams and their renormal…
View article: Progress in two-loop electroweak corrections to 𝒈𝒈 → 𝑯𝑯 and 𝒈𝒈 → 𝒈𝑯
Progress in two-loop electroweak corrections to 𝒈𝒈 → 𝑯𝑯 and 𝒈𝒈 → 𝒈𝑯 Open
In these proceedings, we summarise our recent calculations of next-to-leading order electroweak corrections to Higgs boson pair and Higgs boson plus jet production. The calculations are divided into different regions. In the high-energy re…
View article: Falcon: Fair Active Learning using Multi-armed Bandits
Falcon: Fair Active Learning using Multi-armed Bandits Open
Biased data can lead to unfair machine learning models, highlighting the importance of embedding fairness at the beginning of data analysis, particularly during dataset curation and labeling. In response, we propose Falcon, a scalable fair…
View article: Progress in two-loop electroweak corrections to gg -> HH and gg -> gH
Progress in two-loop electroweak corrections to gg -> HH and gg -> gH Open
In these proceedings, we summarise our recent calculations of next-to-leading order electroweak corrections to Higgs boson pair and Higgs boson plus jet production. The calculations are divided into different regions. In the high-energy re…
View article: Next-to-leading order electroweak corrections to gg → HH and gg → gH in the large-mt limit
Next-to-leading order electroweak corrections to gg → HH and gg → gH in the large-mt limit Open
A bstract We compute two-loop electroweak corrections to Higgs boson pair and Higgs plus jet production, taking into account all sectors of the Standard Model. All diagrams with virtual top quarks are computed in an expansion for large top…
View article: Next-to-leading order electroweak corrections to $gg \to HH$ and $gg \to gH$ in the large-$m_t$ limit
Next-to-leading order electroweak corrections to $gg \to HH$ and $gg \to gH$ in the large-$m_t$ limit Open
We compute two-loop electroweak corrections to Higgs boson pair and Higgs plus jet production, taking into account all sectors of the Standard Model. All diagrams with virtual top quarks are computed in an expansion for large top quark mas…
View article: A Case Study of YouTuber’s use of Twitter for Consumer Engagement
A Case Study of YouTuber’s use of Twitter for Consumer Engagement Open
Twitter as a popular social media site has become a widely used platform for brands to establish consumer engagement (CE), a connection between firms and consumers beyond product consumption and purchase. CE is important for brands to buil…
View article: Analysis of the Possible Demand of Stablecoins
Analysis of the Possible Demand of Stablecoins Open
Stablecoins, which are anchored by certain assets, have been gaining market attention in recent years as a branch of cryptocurrencies. The dollar domination in currency markets exists in cryptocurrency since some mainstream stablecoins anc…
View article: Chasing the two-Higgs doublet model in the di-Higgs boson production
Chasing the two-Higgs doublet model in the di-Higgs boson production Open
We investigate the di-Higgs production at the Large Hadron Collider in the two-Higgs doublet model (2HDM). In particular, we study the production of an extra neutral Higgs boson $\ensuremath{\phi}$ in association with the Standard Model (S…
View article: Exploring audience engagement in YouTube vlogs through consumer engagement theory: The case of U.K. beauty vlogger Zoe Sugg
Exploring audience engagement in YouTube vlogs through consumer engagement theory: The case of U.K. beauty vlogger Zoe Sugg Open
Through the lens of consumer engagement theory, this research develops a case study of U.K. vlogger and influencer Zoe Sugg. Findings suggest that YouTube vloggers’ implementation of interaction, rewards and information offers as audience …
View article: Chasing the two-Higgs doublet model in the di-Higgs production
Chasing the two-Higgs doublet model in the di-Higgs production Open
We investigate the di-Higgs production at the Large Hadron Collider in the two-Higgs doublet model (2HDM). In particular, we study the production of an extra neutral Higgs boson $ϕ$ in association with the Standard Model (SM) Higgs boson $…
View article: UV and IR rational terms in two-loop amplitudes: first insights
UV and IR rational terms in two-loop amplitudes: first insights Open
In this proceeding, we review the construction of UV rational terms at two loops, and present the first insights of the cancellation mechanism of two-loop IR rational terms with an example in massive QED. The rational terms are crucial ing…
View article: iFlipper: Label Flipping for Individual Fairness
iFlipper: Label Flipping for Individual Fairness Open
As machine learning becomes prevalent, mitigating any unfairness present in the training data becomes critical. Among the various notions of fairness, this paper focuses on the well-known individual fairness, which states that similar indi…
View article: Higgs boson contribution to the leading two-loop Yukawa corrections to gg → HH
Higgs boson contribution to the leading two-loop Yukawa corrections to gg → HH Open
View article: Towards ruling out the charged Higgs interpretation of the $$ {R}_{D^{\left(\ast \right)}} $$ anomaly
Towards ruling out the charged Higgs interpretation of the $$ {R}_{D^{\left(\ast \right)}} $$ anomaly Open
View article: Contextual Factors behind Audience Engagement Behaviours of YouTube Vloggers: A Case Study
Contextual Factors behind Audience Engagement Behaviours of YouTube Vloggers: A Case Study Open
YouTube as a social media site for online videos has become a major platform for the distribution and consumption of video blogs (vlogs). Famous YouTube video bloggers (vloggers) can obtain large audiences and become important for product …
View article: Towards ruling out the charged Higgs interpretation of the $R_{D^{(*)}}$ anomaly
Towards ruling out the charged Higgs interpretation of the $R_{D^{(*)}}$ anomaly Open
Motivated by the notorious anomaly in the lepton flavor universality ratios $R_{D^{(*)}}$, we study the sensitivity of the Large Hadron Collider (LHC) to a low-mass charged Higgs boson $H^-$ lighter than $400\,$GeV in a generic two Higgs d…
View article: Two-loop rational terms for spontaneously broken theories
Two-loop rational terms for spontaneously broken theories Open
View article: Two-loop rational terms in Yang-Mills theories
Two-loop rational terms in Yang-Mills theories Open
View article: Rational terms in two-loop calculations
Rational terms in two-loop calculations Open
We present an extension of the renormalisation procedure based on the R-operation in $D$ dimensions at two-loop level, in which the numerators of all Feynman diagrams can be constructed in four dimensions, and the rational terms stemming f…
View article: Rational terms of UV origin at two loops
Rational terms of UV origin at two loops Open
View article: Rational terms in two-loop calculations
Rational terms in two-loop calculations Open
We present an extension of the renormalisation procedure based on the R-operation in $D$ dimensions at two-loop level, in which the numerators of all Feynman diagrams can be constructed in four dimensions, and the rational terms stemming f…
View article: OpenLoops 2
OpenLoops 2 Open